Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1996-12-06
1999-01-12
Drodge, Joseph W.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
137551, 137801, 210 91, 210 94, 2104331, 210449, B01D 1712, B01D 35143
Patent
active
058582150
ABSTRACT:
The combination of a water filter and a display for indication of the water filter condition includes an electrical circuit connected to the display and responsive to use of the water filter. The circuit includes a microcontroller, a timer connected to the microcontroller and providing timing signals thereto, and a switch connected to the microcontroller and responsive to the flow of water from the filter to cause the microcontroller to process the timing signals. The microcontroller is programmed to utilize the timing signals to provide an electrical signal to the display indicative of filter condition.
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Burchard Thomas H.
Hunter Gregory
Johnson Kevin M.
Lofgren John
Mercer Lee A.
Drodge Joseph W.
Moen Incorporated
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